The Psychology Department at California State University San Bernardino conducte

Question

The Psychology Department at California State University San Bernardino conducted a study to determine the effectiveness of an integrated statistics research methods course as opposed to the traditional method of taking the two courses separately. It was hypothesized that the students taking the integrated course would conduct better quality (i.e., more controlled and statistically sound) research projects than students in the traditional courses. To determine whether there actually was a difference in students' performance as a result of integrated vs. traditional training the final research projects of 20 students from an integrated course (Condition 1) and 20 students from a traditional course (Condition 2) were evaluated. Their scores are listed here:

Explanation / Answer

sol)

H0: There is no difference betwen two mean

H1: There is a difference between two means

alpha:5%

Test statistics:

We uSe t test for Independent samples

From SPSS

Conclusion:

P=0.048 <0.05 we Reject the Ho

Group Statistics group N Mean Std. Deviation Std. Error Mean cond 1.00 20 85.6500 8.24158 1.84287 2.00 20 79.4500 10.78242 2.41102

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